NEXXUS 2 - The database for Nearby X-ray and extreme UV emitting Stars

Star Page     -     NS 2331+1956 B   GJ 896 B   LHS 3966   LTT 16920

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Star Information:

RA (2000.0)	DE (2000.0)	μ [ "/yr ]	θ [ ° ]	Radial Velocity	Spectral Type	B	V	Distance [ pc ]
23 31 52.45	+19 56 13.70	0.558	96.4	-4	M4.5	14.4	12.4	6.34

XMM-Newton Pointed Observations:

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J233152.3+195614	0112880301 1	2000-07-09T12:22 to 2000-07-09T15:45	999.9999	28.84	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Thick	7.48272 ± 0.02749	12200	999.9999	1.036	0.468 ± 0.004	-0.52 ± 0.004	-0.78 ± 0.005	-0.875 ± 0.014	28.84
M1	Thick	1.94853 ± 0.01204	14415	999.9999	0.65	0.54 ± 0.006	-0.332 ± 0.006	-0.782 ± 0.007	-0.897 ± 0.017	28.83
M2	Thick	1.95215 ± 0.01287	14434	999.9999	1.682	0.551 ± 0.007	-0.331 ± 0.007	-0.775 ± 0.008	-0.91 ± 0.018	28.83

Detection Number	Sequence Id	Observation Time	Likelihood	log Lx	ESAC Links
2XMM J233152.3+195614	0147580301 1	2002-12-27T21:16 to 2002-12-28T01:01	999.9999	28.84	Postcard Server Observing Log

Detector	Filter	Count Rate	Exposure Time	Likelihood	OAX	HR1	HR2	HR3	HR4	log Lx
PN	Thin1	10.355 ± 0.05033	10857	999.9999	12.002	0.322 ± 0.005	-0.591 ± 0.005	-0.832 ± 0.007	-0.769 ± 0.039	28.83
M1	Thin1	2.97418 ± 0.02393	12464	999.9999	11.371	0.318 ± 0.009	-0.402 ± 0.009	-0.821 ± 0.01	-0.866 ± 0.041	28.9
M2	Thin1	2.6044 ± 0.02287	12462	999.9999	12.186	0.379 ± 0.009	-0.372 ± 0.009	-0.815 ± 0.01	-0.874 ± 0.041	28.84

ROSAT All-Sky Survey (RASS):

Detection Number	Count Rate	Background	Exposure Time	Likelihood	HR1	HR2	log Lx
1RXS J233152.6+195735	0.9928 ± 0.2498	0.00082	17	37	0.05 ± 0.25	0.11 ± 0.59	28.46

ROSAT High Resolution Imager (HRI):

Detection Number	Sequence Id	Count Rate	SNR	OAX	Exposure Time	Observation Date	Images	log Lx
1RXH J233151.9+195616	200651 n00.001	0.4272 ± 0.0167	23.8	2	1498	1992-06-09 to 1992-06-09	rgb rgbd	28.69
1RXH J233152.3+195613	201697 n00.006	1.029 ± 0.0128	69.2	3	6196	1994-06-23 to 1994-06-24	rgb rgbd	29.07
1RXH J233152.1+195614	201770 n00.002	0.5592 ± 0.0101	47.4	3	5362	1994-06-24 to 1994-06-25	rgb rgbd	28.81
1RXH J233152.1+195614	201771 n00.002	0.4342 ± 0.00895	41.1	3	5346	1994-06-25 to 1994-06-26	rgb rgbd	28.7
1RXH J233152.1+195614	201772 n00.002	0.6178 ± 0.0125	41.9	3	3904	1994-06-26 to 1994-06-27	rgb rgbd	28.85
1RXH J233151.8+195616	201773 n00.005	0.8275 ± 0.0131	57.9	3	4911	1994-12-13 to 1995-01-04	rgb rgbd	28.98
1RXH J233152.1+195614	201774 n00.003	0.6053 ± 0.0139	37.9	2	3067	1994-06-28 to 1994-06-29	rgb rgbd	28.84

ROSAT Wide Field Camera (WFC) All-Sky Survey:

Detection Number	RA (2000.0)	DE (2000.0)	S1 Count Rate	S2 Count Rate	Significance S1	Significance S2	Significance
2RE J2331+195	23 31 51.75	+19 56 14.4	0.03 ± 0.01	0.08 ± 0.01	5.1	10.4	11.6

ROSAT Wide Field Camera (WFC) Pointed Observations:

Source	RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	OAX	Significance	Filter	Observation Date
1	23 31 50.49	+ 19 56 46.5	200651 w00_s2b	0.0593 ± 0.01979	2.5	5.2	S2	1992-06-09T18:00
1	23 31 46.27	+ 19 55 59.8	201770 w00_s2b	0.0471 ± 0.01561	2.2	4.71	S2	1994-06-25T00:00
2	23 31 53.59	+ 19 56 14.2	201773 w00_s2b	0.08874 ± 0.01234	2.4	13.91	S2	1994-12-14T00:00
1	23 31 51.30	+ 19 56 44.1	800430 w01_s1a	0.05823 ± 0.00831	97.4	9.69	S1	1994-06-09T12:00

EUVE All-Sky Survey:

Detection Number	RA (2000.0)	DE (2000.0)	58-174 Å Count Rate	156-234 Å Count Rate	368-590 Å Count Rate	519-742 Å Count Rate
EUVE J2331+199	23 31 51	+19 56.6	0.105 ± 0.016

Einstein Imaging Proportional Counter (IPC):

Detection Number	RA (2000.0)	DE (2000.0)	Sequence ID	Count Rate	Exposure Time	SNR	OAX	Observation Date	Images	Data
2E 2329.4+1940	23 31 51.9	+19 56 15	933 4733	0.418 ± 0.012	3816.8	34.3	1.5	1979-06-16 to 1980-12-22	gif FITS	Events
2E 2329.3+1940	23 31 51.6	+19 56 23	6972 4733	0.662 ± 0.019	4524.5	35.7	0.3	1980-12-21 to 1980-12-21	gif FITS	Events
2E 2329.4+1940	23 31 51.7	+19 56 24	6973 4733	0.446 ± 0.015	5027.6	30.7	0.3	1981-01-05 to 1981-01-05	gif FITS	Events

Last modified on Tuesday, 28 October 2008.   C. Liefke | Impressum